# Communication error between users

**URL:** <https://devforum.zoom.us/t/communication-error-between-users/43727>\
**Category:** Web\
**Created:** [February 18, 2021, 10:15pm UTC](https://devforum.zoom.us/t/communication-error-between-users/43727 "2021-02-18T22:15:30Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![dhernandez](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/dhernandez/32/17339_2.png) [@dhernandez](https://devforum.zoom.us/u/dhernandez)\
**Post date:** [February 18, 2021, 10:15pm UTC](https://devforum.zoom.us/t/communication-error-between-users/43727/1 "2021-02-18T22:15:30Z")

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**Description**  
Hi, the reason for this comment is to ask about a problem with the sdk web, since due to a domain change the system was migrated, at the time of communication between users they do not listen to each other, that is, only the host can listen to guests but cannot interact between users.

**Which Client Web SDK version?**  
1.8.1

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**Author:** ![MaxM](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/maxm/32/42303_2.png) [@MaxM](https://devforum.zoom.us/u/MaxM)\
**Post date:** [February 18, 2021, 10:34pm UTC](https://devforum.zoom.us/t/communication-error-between-users/43727/2 "2021-02-18T22:34:04Z")

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Hey @dhernandez,

Thank you for reaching out to the Zoom Developer Forum. It sounds like the issue you are having are related to using an older version of the [Web SDK](https://marketplace.zoom.us/docs/sdk/native-sdks/web#zoom-web-sdk). With version 1.8.5, a required update was released as we added audio encryption. Please see the following forum post for more information:

> [@ACTION REQUIRED: Web SDK update version 1.8.5](https://devforum.zoom.us/t/action-required-web-sdk-update-version-1-8-5/39019):
>
> Hello Zoom Developers, here are the updates for the Web SDK version 1.8.5 release: Please note that as of January 10th, all older versions of the Web SDK (versions 1.8.3 and below) will no longer have computer audio functionality within meetings. Please upgrade to version 1.8.5 or above to avoid service disruption. To complete alignment with Zoom’s security initiative, including the new AES 256-bit GCM encryption, we will disable un-encrypted audio within meetings that are not using AES 256-bit…

You should be able to resolve the issue by updating to the latest version (1.9.0). I hope that helps!

Thanks,  
Max

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\
**Post date:** [March 21, 2021, 8:34am UTC](https://devforum.zoom.us/t/communication-error-between-users/43727/3 "2021-03-21T08:34:28Z")

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